I haven't run the SPX on any outdoor tracks but from what I have seen and done I don't think you would want to run that fast a motor on TP mode 8.
If you did I would start by gearing down 8-10 teeth and see what happens.
What type of racing are you doing 5cell TC?

We had our local winter series race last weekend. A few drivers had the new SPX speedo.

Class was 13.5 rubber tire, track was carpet 19x12m, so rather small, usual ratios on the Novak motor tended to be 5.4 on the TC. Those with the SPX could gear down further (I think something like 5.8 ish) and still maintain similar speeds. We're all thinking about getting one now, but interestingly TQ for the race was with the old (oringinal!) Sphere, with TC Specs 2-5.

I haven't run the SPX on any outdoor tracks but from what I have seen and done I don't think you would want to run that fast a motor on TP mode 8.
If you did I would start by gearing down 8-10 teeth and see what happens.
What type of racing are you doing 5cell TC?

It's the driving and set-up. If everything were equal, i think the SPX will prevail.

Quote:

Originally Posted by Bigger Brother

We had our local winter series race last weekend. A few drivers had the new SPX speedo.

Class was 13.5 rubber tire, track was carpet 19x12m, so rather small, usual ratios on the Novak motor tended to be 5.4 on the TC. Those with the SPX could gear down further (I think something like 5.8 ish) and still maintain similar speeds. We're all thinking about getting one now, but interestingly TQ for the race was with the old (oringinal!) Sphere, with TC Specs 2-5.

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